Operating and Reporting Segments (Financial Information Related to Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Segment Reporting Information [Line Items]
Revenues	$ 8,765,592	$ 8,045,151	$ 16,078,522	$ 14,535,580
Operating Segments And Corporate
Segment Reporting Information [Line Items]
Operating earnings (loss)	1,261,057	1,158,621	2,191,843	1,943,074
Operating Segments
Segment Reporting Information [Line Items]
Revenues	8,765,592	8,045,151	16,078,522	14,535,580
Operating Segments | Homebuilding
Segment Reporting Information [Line Items]
Revenues	8,381,059	7,670,017	15,312,050	13,826,322
Operating earnings (loss)	1,340,155	1,214,409	2,368,951	2,121,248
Operating Segments | Lennar Financial Services
Segment Reporting Information [Line Items]
Revenues	281,723	222,979	531,443	405,960
Operating earnings (loss)	147,012	112,599	278,308	191,336
Operating Segments | Multifamily
Segment Reporting Information [Line Items]
Revenues	99,500	151,744	229,177	295,267
Operating earnings (loss)	(20,474)	(8,162)	(36,113)	(29,763)
Operating Segments | Lennar Other
Segment Reporting Information [Line Items]
Revenues	3,310	411	5,852	8,031
Operating earnings (loss)	(28,964)	(18,399)	(68,512)	(58,156)
Corporate and Unallocated
Segment Reporting Information [Line Items]
Operating earnings (loss)	$ (176,672)	$ (141,826)	$ (350,791)	$ (281,591)